Finding the Fourth Proportional to 118,073.76, 177,005.78 and 46,009.99
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Solution
The fourth proportional to 118,073.76, 177,005.78 and 46,009.99 is: 68,974.12
Step by Step Solution
- Step 1: Write the proportion equation
118,073.76 : 177,005.78 = 46,009.99 : x - Step 2: Convert to fraction form
118,073.76/177,005.78 = 46,009.99/x - Step 3: Cross multiply
118,073.76x = 177,005.78 × 46,009.99 - Step 4: Simplify right side
118,073.76x = 8,144,034,314.77 - Step 5: Solve for x
x = 8,144,034,314.77/118,073.76 - Step 6: Final answer
x = 68,974.12
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.